Li2CoO2
Li2CoO2 is a semiconducting layered lithium transition-metal oxide that is theoretically stable enough to be a target for laboratory synthesis.
About Li2CoO2
Li2CoO2 is a member of the layered lithium transition-metal oxide family, characterized by its semiconducting electronic nature. As a near-hull material, it is considered a promising candidate for experimental synthesis and further electrochemical investigation within the lithium-ion battery research landscape.
This compound represents an intriguing variation on the classic layered oxide structure, utilizing cobalt as the primary transition metal. Its structural flexibility and accessibility in computational databases make it a subject of interest for researchers seeking to optimize cathode architectures and ion transport properties.
Key Properties
Cross-validated computational properties for Li2CoO2, aggregated across 3 databases.
Band GapEnergy needed to move an electron from the valence band to the conduction band. Lower or zero values tend to behave more metallic; larger gaps are more insulating or semiconducting.
Energy Above HullThermodynamic distance from the most stable set of competing phases. 0 eV/atom is on the convex hull; small positive values may still be experimentally accessible.
StabilityA plain-language summary of the best reported energy-above-hull result. It reflects whether the lowest-energy structure is on, near, or far from the stability hull.
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
Applications
Where Li2CoO2 is used.
Frequently Asked Questions
Common questions about Li2CoO2, answered from cross-validated data.
What is Li2CoO2?
Li2CoO2 is a semiconducting layered lithium transition-metal oxide that is theoretically stable enough to be a target for laboratory synthesis.
What is Li2CoO2 used for?
What is the band gap of Li2CoO2?
Is Li2CoO2 a metal, semiconductor, or insulator?
Is Li2CoO2 thermodynamically stable?
How many polymorphs of Li2CoO2 are known?
What elements does Li2CoO2 contain?
Where does the data for Li2CoO2 come from?
How It Compares
Within the layered lithium transition-metal oxides class.
While LiCoO2 remains the industry standard for high-performance cathodes, Li2CoO2 offers a distinct stoichiometry that differentiates it from both the conventional layered oxides like LiNiO2 and the spinel structures such as LiMn2O4. Its near-hull stability suggests it may occupy a unique niche in the phase space of lithium-rich transition-metal oxides, providing a different energetic profile compared to more established siblings like LiAlO2 or LiMnO2.
Related Compounds
Other Layered Lithium Transition-Metal Oxides in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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